20
IoT Interworking
Make Your Life Smart
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by the antenna bottom plate and the antenna semi-circular pressure plate, with the help of expansion
screws or U-shaped hoops, as shown in Figure 10.
Note
：
no external amplifier can be use
d.
2.9 Interface waterproofing
Figure 11 interface waterproofing installation
The N-type interface of the LoRa and GPS antennas is not waterproof, so it must be protected with
waterproof tape or waterproof cold-shrink tubes when used outdoors. It is recommended to use the
cold-shrink sleeve protection interface produced by Shenzhen COTRAN New Material Co., Ltd.
2.10 Pole and wall mounting
